Popular places with ghosts? (6)

I believe the answer is:

haunts

I'm a little stuck... Click here to teach me more about this clue!

'ghosts?' is the definition.
(I know this)

I cannot understand how the rest of the clue works.

(Other definitions for haunts that I've seen before include "Frequently visits" , "Frequents or visits as a ghost" , "Places where ghosts hang out?" , "Places frequented" , "Inhabits as a ghost" .)

I've seen this clue in the Evening Standard.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.